1.
How much of the world's water is suitable for human use?
Correct Answer
A. .0.25%
Explanation
Only about 0.25 percent of the world's water can be used to meet human needs. Fact: Of all freshwater 90% is held in glaciers and polar icecaps or locked in deep aquifers.
2.
Which human activity uses the most water?
Correct Answer
B. Irrigation
Explanation
70 percent of all water is used for irrigation.
3.
How much water does one city dweller use per day just by taking a shower, flushing the toilet, washing dishes and clothes, etc.?
Correct Answer
B. 100-300 litres
Explanation
The answer of 100-300 litres is based on the average water consumption of a city dweller for daily activities such as showering, flushing the toilet, and doing household chores like washing dishes and clothes. This range takes into account the varying water usage habits of individuals and factors such as the type of showerhead, toilet flush volume, and efficiency of appliances. While some people may use less than 100 litres, others may exceed 300 litres depending on their lifestyle and water conservation practices.
4.
Imagine your tap is leaking drop after drop. How much water is lost from this leaking tap per day?
Correct Answer
A. About 100 liters of water
Explanation
Yes, a leaking tap can lose up to 100 liters per day, which is the equivalent of about eight buckets of water. Fact: If the tap keeps dripping over one year, about 35,000 liters of clean fresh water will be lost."
5.
Which of the following products takes the most water to produce?
Correct Answer
A. Paper
Explanation
Paper takes the most water to produce compared to wool and beer. The production of paper involves several steps, including the harvesting of trees, pulping, and bleaching. These processes require a significant amount of water, especially in the pulping stage where the wood is broken down into fibers. On the other hand, wool production mainly involves shearing the sheep and cleaning the wool, which requires less water. Beer production also requires water, but the amount used is relatively lower compared to paper production.
6.
What is the estimated number of people globally without access to a safe water supply?
Correct Answer
C. 1 billion
Explanation
The estimated number of people globally without access to a safe water supply is 1 billion. This means that approximately one out of every seven people on the planet does not have access to clean and safe drinking water. Lack of access to safe water can lead to various health issues and hinder socio-economic development in affected areas. It is crucial to address this issue and work towards ensuring that everyone has access to clean water for their basic needs.
7.
How many people the world do not have access to safe drinking water?
Correct Answer
C. 1.1 billion
Explanation
1.1 billion people do not have access to safe drinking water. This means that a significant portion of the global population lacks access to clean and safe water for drinking and basic sanitation purposes. This is a major global issue that leads to various health problems and challenges in developing countries. Access to safe drinking water is essential for human survival and well-being, and the fact that such a large number of people still lack this basic necessity is a cause for concern.
8.
How many children do you think to die each year because they lack access to safe drinking water?
Correct Answer
C. 2.2 million
Explanation
Approximately 2.2 million children die each year due to the lack of access to safe drinking water. This is a significant number and highlights the urgent need for improved water infrastructure and resources to ensure the health and well-being of children worldwide.
9.
How many gallons of water do you think the average person in the developing world uses each day?
Correct Answer
A. Less than 3 gallons
Explanation
The average person in the developing world uses less than 3 gallons of water each day. This is because access to clean water is limited in many developing countries, leading to water scarcity and the need to conserve water. People in these areas often have to rely on water sources that are far away or unsafe, which results in limited water usage for basic needs such as drinking, cooking, and sanitation.
10.
How many gallons of water do you think the average person in the developing world uses each day?
Correct Answer
C. More than 100 gallons
Explanation
The correct answer is "more than 100 gallons" because the average person in the developing world typically uses a larger amount of water compared to the other options given. This could be due to various factors such as lack of efficient water management systems, limited access to clean water sources, and a higher demand for water for daily activities such as cooking, cleaning, and personal hygiene.
11.
In 2025 what percentage of the world's population do you think will live in water-stressed areas?
Correct Answer
C. 50-74%
Explanation
The correct answer is 50-74%. This means that by 2025, it is predicted that more than half of the world's population will be living in areas where water resources are scarce or under stress. This could be due to factors such as population growth, climate change, and inadequate water management. It highlights the urgent need for sustainable water practices and conservation efforts to ensure access to clean water for all.
12.
How far do you think that the average woman in the developing world must walk each day just to get water for her family?
Correct Answer
C. 4 or more miles
Explanation
In the developing world, access to clean water is often limited, and women are typically responsible for fetching water for their families. Due to the scarcity of water sources, it is common for women to walk long distances every day to collect water. The answer "4 or more miles" suggests that the average woman in the developing world must walk at least 4 miles or more each day to obtain water for her family. This highlights the significant physical effort and time that women in these regions have to endure to meet their basic water needs.